/* c_math.cpp autogenerated by split.py v0.3 at 2020-12-31 13:20:59.345670 */

#include "SComponent/c_math.h"
#include "msl_c/math.h"

extern s32 lbl_80451168;  // SComponent::r0
extern s32 lbl_8045116C;  // SComponent::r1
extern s32 lbl_80451170;  // SComponent::r2
extern s32 lbl_80451174;  // SComponent::r02
extern s32 lbl_80451178;  // SComponent::r12
extern s32 lbl_8045117C;  // SComponent::r22
extern f32 lbl_80451180;

extern u16 lbl_803C3778[1028];  // SComponent::atntable

// cM_rad2s__Ff
s16 cM_rad2s(float f0) {
    f32 tmpF = fmod(f0, 6.2831854820251465 /* approx. 2 * PI */);
    s32 tmp = (tmpF * 10430.378f /* approx. 32768 / PI */);
    if (tmp < -0x8000) {
        tmp += 0x10000;
    } else if (tmp > 0x7FFF) {
        tmp -= 0x10000;
    }
    return tmp;
}

// U_GetAtanTable__Fff
u16 U_GetAtanTable(float f0, float f1) {
    return lbl_803C3778[(int)(f0 / f1 * 1024)];
}

// cM_atan2s__Fff
s16 cM_atan2s(float f0, float f1) {
    u32 retVar;
    if (fabsf(f0) < lbl_80451180) {
        if (f1 >= 0.0f) {
            retVar = 0;
        } else {
            retVar = 0x8000;
        }
    } else if (fabsf(f1) < lbl_80451180) {
        if (f0 >= 0.0f) {
            retVar = 0x4000;
        } else {
            retVar = 0xC000;
        }
    } else if (f0 >= 0.0f) {
        if (f1 >= 0.0f) {
            if (f1 >= f0) {
                retVar = U_GetAtanTable(f0, f1);
            } else {
                retVar = 0x4000 - U_GetAtanTable(f1, f0);
            }
        } else {
            if (-f1 < f0) {
                retVar = U_GetAtanTable(-f1, f0) + 0x4000;
            } else {
                retVar = 0x8000 - U_GetAtanTable(f0, -f1);
            }
        }
    } else if (f1 < 0.0f) {
        if (f1 <= f0) {
            retVar = U_GetAtanTable(-f0, -f1) + 0x8000;
        } else {
            retVar = 0xC000 - U_GetAtanTable(-f1, -f0);
        }
    } else {
        if (f1 < -f0) {
            retVar = U_GetAtanTable(f1, -f0) + 0xC000;
        } else {
            retVar = -U_GetAtanTable(-f0, f1);
        }
    }
    return retVar;
}

// cM_atan2f__Fff
float cM_atan2f(float f1, float f2) {
    return 9.58738E-5f * cM_atan2s(f1, f2);
}

// cM_initRnd__Fiii
void cM_initRnd(int p0, int p1, int p2) {
    lbl_80451168 = p0;
    lbl_8045116C = p1;
    lbl_80451170 = p2;
}

// cM_rnd__Fv
float cM_rnd(void) {
    lbl_80451168 = (lbl_80451168 * 0xAB) % 0x763D;
    lbl_8045116C = (lbl_8045116C * 0xAC) % 0x7663;
    lbl_80451170 = (lbl_80451170 * 0xAA) % 0x7673;
    return fabsf(
        fmod(lbl_80451168 / 30269.0f + lbl_8045116C / 30307.0f + lbl_80451170 / 30323.0f, 1.0));
}

// cM_rndF__Ff
float cM_rndF(float f) {
    return cM_rnd() * f;
}

// cM_rndFX__Ff
float cM_rndFX(float f) {
    return f * (cM_rnd() - 0.5f) * 2.0f;
}

// cM_initRnd2__Fiii
void cM_initRnd2(int p0, int p1, int p2) {
    lbl_80451174 = p0;
    lbl_80451178 = p1;
    lbl_8045117C = p2;
}

// cM_rnd2__Fv
float cM_rnd2(void) {
    lbl_80451174 = (lbl_80451174 * 0xAB) % 0x763D;
    lbl_80451178 = (lbl_80451178 * 0xAC) % 0x7663;
    lbl_8045117C = (lbl_8045117C * 0xAA) % 0x7673;
    return fabsf(
        fmod(lbl_80451174 / 30269.0f + lbl_80451178 / 30307.0f + lbl_8045117C / 30323.0f, 1.0));
}

// cM_rndF2__Ff
float cM_rndF2(float f) {
    return cM_rnd2() * f;
}

// cM_rndFX2__Ff
float cM_rndFX2(float f) {
    return f * (cM_rnd2() - 0.5f) * 2.0f;
}